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參數(shù)資料
| 型號： | MC74AC640N |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | OCTAL BIDIRECTIONAL TRANSCEIVER WITH 3-STATE OUTPUTS |
| 中文描述： | AC SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 174K |
| 代理商： | MC74AC640N |
5-1
FACT DATA
The MC74AC640/74ACT640 octal bus transceiver is designed for asynchronous
two-way communication between data buses. The device transmits data from bus A
to bus B when T/R = HIGH, or from bus B to bus A when T/R = LOW. The enable
input can be used to disable the device so the buses are effectively isolated.
Bidirectional Data Path
A and B Outputs Sink 24 mA/Source –24 mA
′
ACT640 Has TTL Compatible Inputs
19
20
18
16
15
14
2
1
3
4
5
6
7
VCC
13
8
12
9
11
10
OE
B0
B1
B2
B3
B4
B5
B6
B7
T/R
A0
A1
A2
A3
A4
A5
A6
A7
GND
17
PIN NAMES
A0–A7
OE
T/R
B0–B7
Side A Inputs or 3-State Outputs
Output Enable Input
Transmit/Receive Input
Side B Inputs or 3-State Outputs
TRUTH TABLE
OE
T/R
Applied
Inputs
Valid
Direction
I/P
→
O/P
Output
H
L
L
L
L
X
H
H
L
L
X
H
L
H
L
X
X
L
H
L
H
A to B
A to B
B to A
B to A
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
OCTAL BIDIRECTIONAL
TRANSCEIVER WITH
3-STATE OUTPUTS
N SUFFIX
CASE 738-03
PLASTIC
DW SUFFIX
CASE 751D-04
PLASTIC
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| MC74AC646DW | OCTAL TRANSCEIVER/REGISTER WITH 3-STATE OUTPUTS (NON-INVERTING) |
| MC74ACT646DW | OCTAL TRANSCEIVER/REGISTER WITH 3-STATE OUTPUTS (NON-INVERTING) |
| MC74ACT646DWR2 | OCTAL TRANSCEIVER/REGISTER WITH 3-STATE OUTPUTS (NON-INVERTING) |
| MC74ACT646N | OCTAL TRANSCEIVER/REGISTER WITH 3-STATE OUTPUTS (NON-INVERTING) |
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相關(guān)代理商/技術(shù)參數(shù) |
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| MC74AC643 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:OCTAL BIDIRECTIONAL TRANSCEIVER WITH 3-STATE OUTPUTS |
| MC74AC643DW | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:OCTAL BIDIRECTIONAL TRANSCEIVER WITH 3-STATE OUTPUTS |
| MC74AC643N | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:OCTAL BIDIRECTIONAL TRANSCEIVER WITH 3-STATE OUTPUTS |
| MC74AC646 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Octal Transceiver/Register with 3−State Outputs (Non−inverting) |
| MC74AC646_06 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Octal Transceiver/Register with 3−State Outputs (Non−inverting) |
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